Home / 10,671.44-16,002.88-4,427.20

Finding the Fourth Proportional to 10,671.44, 16,002.88 and 4,427.20

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Solution

The fourth proportional to 10,671.44, 16,002.88 and 4,427.20 is: 6,639.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,671.44 : 16,002.88 = 4,427.20 : x
  2. Step 2: Convert to fraction form
    10,671.44/16,002.88 = 4,427.20/x
  3. Step 3: Cross multiply
    10,671.44x = 16,002.88 × 4,427.20
  4. Step 4: Simplify right side
    10,671.44x = 70,847,950.34
  5. Step 5: Solve for x
    x = 70,847,950.34/10,671.44
  6. Step 6: Final answer
    x = 6,639.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.